CSS Flexbox (Flexible Box)

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CSS Flexbox Layout Module

Before the Flexbox Layout module, there were four layout modes:

  • Block, for sections in a webpage
  • Inline, for text
  • Table, for two-dimensional table data
  • Positioned, for explicit position of an element
  • The Flexible Box Layout Module, makes it easier to design flexible responsive layout structure without using float or positioning.

    Browser Support

    The flexbox properties are supported in all modern browsers.

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    Flexbox Elements

    To start using the Flexbox model, you need to first define a flex container.

    The element above represents a flex container (the blue area) with three flex items.

    Example

    A flex container with three flex items:

    <div class="flex-container">
      <div>1</div>
      <div>2</div>
      <div>3</div>
    </div>

    Try it Yourself »

    You will learn more about flex containers and flex items in the next chapters.